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Re: confused

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Author  [Modern View]

12-05-2013 18:28:42

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I'm pretty sure I have a coil which has "internal resistor" stamped on the side........or words to that effect. I'm not saying there is actually a resistor in there, just pointing out why people call it that.
This post was edited by Inno at 18:30:48 12/05/13.

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12-05-2013 19:05:00

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 Re: confused in reply to Inno, 12-05-2013 18:28:42  
Quoting Removed, click Modern View to seeI hear you, but.......until someone cuts one open & pulls out that resistor, & shows it to me, I will continue to say that there is no resistor in the coil can. A resistor is a discrete component, it is not the resistance distributed throughout a length of wire. Not semantics, either, just fact. All the wiring in your house has resistance, but is wire, it is not 'a' or 'a bunch' of resistors connecting panel to outlets & lights.

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Joe Scribner

12-06-2013 04:23:45

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 Re: confused in reply to JMOR, 12-05-2013 19:05:00  
Hey Jmor ! I have in fact just for fun cut open several old 12V coils that have said "internal resistor" I have never found a separate resistor.

My shop teacher back in trade school explained it to me this way. The different internal resistance is strictly a function of the size and number of the windings in the coil. The finer the windings the higher the resistance and if you add more windings you get higher resistance. It's pretty basic science if you understand that any conductor has a specific resistance to current flow.

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